Norman Bethune worked ____ in China as a doctor and saved many Chinese soldiers.
. — Now that you like computers very much, isn’t that a good idea to get a ______? — Well, I’d like to, but I can’t afford such an expensive computer at present.
. I have many friends, _______ some are businessmen.
. The car has been well maintained and is ________ excellent condition.
. — Why was Professor Johnson unhappy those days? — Can’t you see it clearly? The only reason was that the theory he stuck to________ wrong.
. You can see the stars on a clear night ,but in the daytime they are____